Retractable roof structure

Details Retractable roof structure Retractable roof structure

E - Fixed Constructions

04

B

20/2, 20/4

E04B 7/16 (2006.01) E04B 7/10 (2006.01)

Patent

CA 1281527

ABSTRACT OF THE DISCLOSURE A retractable roof structure comprises a stationary section having an opening in the central portion thereof and fixedly installed on a side wall constructed on the ground, and a retractable section for covering the opening. The retractable section comprises a plurality of movable roof units which correspond to regions defined by dividing radially from a center portion of the opening each of not less than two concentric areas of the opening. The roof units in the inner area are retractable over the roof units in radially adjacent outer area, and the roof units in the outermost area are retractable with the roof units of the inner area retracted thereon over the stationary section.

521755

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